TPA3128D2: Support SE in or Only support Diff. in??

Ray Hsu

Expert 1330 points

Part Number: TPA3128D2

Some Audio PA support both SE & Diff.

How about TPA3128D2?

Can i use SE in? thanks!

over 7 years ago

0 Shawn Zheng over 7 years ago

TI__Mastermind 24835 points

Hi Ray,
I suppose you are talking about output mode. The new devies like TPA3128D2 can only support diff output mode. Only very old TI audio amplifiers support SE output mode, e.g. TPA312xD2. For these devices, the pop noise performance is optimized during power-up for SE mode specially.
Best regards,
Shawn Zheng

0 Ray Hsu over 7 years ago in reply to Shawn Zheng

Expert 1330 points

Sorry, I want to know is input, thanks!

RINP: Singal

RINN: GND

Is this fine?

0 Shawn Zheng over 7 years ago in reply to Ray Hsu

TI__Mastermind 24835 points

Hi Ray,

TPA3128D2 can support both diff and SE input mode. Please find more detailed info in the section 7.3.7.

Best regards,

Shawn Zheng

0 Ray Hsu over 7 years ago in reply to Shawn Zheng

Expert 1330 points

Thanks a lot!

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TPA3128D2: Support SE in or Only support Diff. in??